Home / 20,100.52-27,752.46-12,558.34

Finding the Fourth Proportional to 20,100.52, 27,752.46 and 12,558.34

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Solution

The fourth proportional to 20,100.52, 27,752.46 and 12,558.34 is: 17,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.52 : 27,752.46 = 12,558.34 : x
  2. Step 2: Convert to fraction form
    20,100.52/27,752.46 = 12,558.34/x
  3. Step 3: Cross multiply
    20,100.52x = 27,752.46 × 12,558.34
  4. Step 4: Simplify right side
    20,100.52x = 348,524,828.52
  5. Step 5: Solve for x
    x = 348,524,828.52/20,100.52
  6. Step 6: Final answer
    x = 17,339.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.